Sleep training and growth spurts

Once you have successfully trained your baby to self soothe, sleep on his/her own, etc, what happens during growth spurts? Do you get up for lots of MOTN feedings or do sleep trained babies put themselves back to sleep during growth spurts?

We've been working on sleep training the past week or so, an it's been going well. Some nights she doesn't wake at all from 7 pm to 6:30 am, other nights there's a 2 am feeding, but she puts herself back to sleep right away after babbling happily for awhile or trying to crawl. I'm just wondering if all out progress will go to shit once she has the 6-month growth spurt!